{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x01c1aba06c4ee7319e3617fddddf0c09bb3bc12548c5ccdc1903c35c9436cfd1",
    "signature": "0xa091d49ad096cff0c5c88ca709e1323b02ca8a7f0a42f7adf2c2f003b0eef5cc7ccf14f3395b98e5a1efa5d22310ddd5d13ad7d802e4d979973672094bfce4471b",
    "signer": "0x39cA0Bb53A1ab273Fe4E61EA8d7098c25F8AA132",
    "userId": "877641555"
  }
}